Project progress

Native planting 

A further 25,000 plants proposed to be planted before the end of the project 30 June this year. These natives stabilise riverbanks and act as filters to trap water contaminants such as chemicals, nutrients, sediment, and bacteria before they enter the waterway. 

67k of 75k planted

Fencing around waterways 

3.5 km is currently in progress, with an additional 3 km proposed for completion by the end of the project. This fencing will help keep stock out of waterways and wetlands, reducing the amount of contaminants that enter the river. 

Fish passage barriers

More work will be done in the coming months to replace three culverts in the lower catchment to improve fish passage to the upper catchment. 

20 of 20 passages assessed2 of 5 passages improved

Sediment traps

Sediment traps will be monitored and emptied out if necessary.  The amount of sediment collected will be estimated.  These sediment traps have associated planting on the surrounding slopes to stabilise them over time.  Native plants have also been established around and between the traps to capture more sediment and create native habitat. 

10 of 10 traps installed

Planting

Aukaha’s planting team has been carrying out the majority of the planting, with landowners also rolling up their sleeves and planting a large number of natives on their land. There have also been several community and school planting days held to give locals and those with an environmental passion an opportunity to assist with plantings of natives around waterways in the catchment.

Through these efforts, we have been able to successfully plant nearly half of the proposed native plants so far.

The plants have been grown and supplied by Kāti Huirapa Rūnaka ki Puketeraki’s community nursery and Ribbonwood Nurseries in Dunedin and include such species as coprosma spp., carex spp., harakeke/flax and tī kōuka/cabbage tree.

Fencing

Analysis of river lengths and fencing lengths

Toitū Te Hakapupu project is required to complete 20 km fencing of water ways as part of its KPIs agreed to in the funding deed.

To estimate how much of the main stems of the river was available to fence, the ORC project team developed a map showing the length of the main stem of the river.

Te Kakapupu/Pleasant River and tributaries - river lengths

Waterway (land use)
as per the map above

Hakapupu / Pleasant River (forestry) 10 km
Hakapupu / Pleasant River (pastoral) 12 km
Owhakaoho / Trotters Creek (forestry) 14 km
Owhakaoho / Trotters Creek (pastoral) 6 km
Tumai (pastoral) 2 km
Watkin Creek (forestry) 5 km
Watkin Creek (pastoral) 7 km

 

This data tells us the following:

Total riverbanks available along the main stem (see map) of the primary Hakapupu and its two main tributaries, Owhakaoho  (Trotter), Watkin and Tumai.

Length of river through pastoral farming where fencing to exclude stock is required.

River

Length (km)

Hakapupu

12

Owhakaoho

6

Watkin

7

Tumai

2

TOTAL

27 km

 

This means there is a total of 54 km of possible riverbanks to fence off and exclude stock. The project team then calculated the amount of river that will be fenced by the project as of August 2024. 

Fence status

Length (km)

Completed

10.5

In progress

12.5

Proposed

12.5

To be completed by project

35.5

 

The project team has engaged with nearly all parts of the rivers under pastoral farming to install fencing. Much of the remaining river is already fenced.

River

Length (km)

Hakapupu

22

Owhakaoho

20

Watkin

12

Tumai

2

TOTAL

56 km

Project timeline

December 2021–July 2022

  • Project formally announced
  • Project design and procurement plan under development
  • Partnership model developed with Kāti Huirapa Rūnaka ki Puketeraki
  • Developing detailed project action plan
  • Partnership group established

October–December 2022

  • Input on project delivery sought from communities of Te Hakapupu
  • Meet and greet between the community and the project team at Familtons’ Farm, end of Patterson Road, Palmerston, 16 October 3pm-6pm
  • Conversations begin with rūnaka and community, including landowners, about their aspirations and ideas — these begin shaping the catchment action plan
  • Work begins to better define the environmental problems and how they can best be remedied, including collecting environmental baseline data and initial assessment of sediment movement in the catchment

January–March 2023

  • Community Meeting in Waikouaiti with landowners and community, 15 February 7pm-9pm
  • Begin work with landowners to protect riverbanks through planting and fencing
  • Engagement plan completed
  • Work alongside rūnaka and community to develop a water quality monitoring framework
  • Set up a forestry working group with forest managers
  • Decisions set on baseline data to be collected for environmental monitoring

June 2023

  • Planting and fencing begin
  • Environmental baseline data collection underway
  • Water quality monitoring begins (ongoing)
  • Forestry Action Plan development begins
  • Citizen Science Plan complete (community monitoring)
  • Cultural Health Monitoring underway to identify and monitor important values for Mana Whenua such as sense of place, Inaka spawning sites and weaving resource
  • Waka installed as an online real-time web tool to enable the community and rūnaka to monitor water quality at any time at various locations throughout the catchment. These tools will measure temperature, conductivity, dissolved oxygen, pH, and turbidity. The information is collected every 15 minutes and presented on a website dashboard.
  • Sediment data collection for the catchment complete. This enables priority actions and interventions to be identified to protect natural values downstream from potential sediment hot spots.

September 2023

  • Catchment action plan drafted
  • Planting and fencing continues

December 2023

  • Work with rūnaka and community to monitor water quality and other environmental health indicators (ongoing)
  • Fish passage barrier assessments begin

June 2024

  • Planting and fencing continue
  • Cultural Health Monitoring continues
  • Reporting of water quality and ecosystem monitoring
  • Science Communications
  • Sediment traps completed in priority property for water quality protection
  • One fish passage barrier improved
  • Project succession planning underway

March 2025

  • Catchment Action Plan (living document) finalised

April 2025

  • Landowner agreements complete
  • Planting and fencing continue
  • Fish passage barrier mitigations complete

June 2025

  • Final report about water quality and ecosystem monitoring
  • Science Communications
  • Project close

Te Hakapupu Pleasant River Catchment area